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3 cards from this section. Quick, good the night before a test.
What is the formula for Gibbs Energy?
Remember it incorporates enthalpy, temperature, and entropy.
What indicates a spontaneous reaction in terms of Gibbs energy?
Think about the sign of ΔG.
What is the free energy change (ΔG) of a spontaneous process?
Think about the sign of ΔG in spontaneous processes.
True or False: A reaction can be spontaneous even if it is endothermic.
Consider the relationship between ΔH and ΔS for spontaneity.
Explain why a reaction with ΔH > 0 could still be spontaneous by identifying factors affecting Gibbs energy.
Discuss how temperature can alter the balance.
For the reaction 2 H2(g) + O2(g) → 2 H2O(l), given ΔH = -572 kJ and ΔS = -163.2 J/K, calculate ΔG at 298K.
Remember to convert ΔS to kJ for consistency.
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